Drawing die



March 24, 19 c. v.. LUGINBILL EI'AL I 2,277,338

DRAWING DIE:

Filed April 8, 1940 CY ms nbizf Paul ,3 i416 air-[ck r mvsmoxs ATTORNEY.

What we claim is:

1. A drawing die comprising a support having an opening therein which tapers outwardly in opposite directions from approximately the middle thereof, two opposed plugs within the opening and having recesses in the opposed faces thereof, and a drawing member engaged in both recesses, said plugs being adapted to soften when heated to a selected temperature and to expand laterally under pressure to entirely fill said opening and rigidly lock the drawing member in the support against dislodgment irrespective of the wire drawing direction.

2. A drawing die comprising a support having opposite directions from approximately the middle thereof, two opposed plugs within the opening and having recesses in the opposed faces thereof and having vents leading from said recesses to the. opposite faces of said plugs respectively, and a drawing member engaged in both recesses, said plugs being adapted to soften when heated to a selected temperature and to expand laterally under pressure to entirely fill said opening and rigidly lock the drawing member in the supportagainst dislodgment irrespective of the wire drawing direction.

CARL V. LUGINBILL. PAUL BIEBERICH. 

